How to solve the problem of automatic shutdown of Windows 7 dual hard disks with the rapid decline in hard disk prices, there are more and more friends using dual hard disks. Generally, one of them is used as the system primary disk, and the other is used as the slave disk storage file. If you are using Windows 7, you will often hear the hard disk stop and start sound. For example, when you shut down the computer, the system will automatically start the slave disk (if it was stopped before ). In fact, this is the automatic energy saving function of the hard disk provided by Windows 7. By default, if the disk is not read or written for a period of time, Windows 7 will automatically close the hard disk, start the slave disk again when there is a read/write operation. Although frequent shutdown does not cause too much damage to the service life of the hard disk, the sound of Start and Stop is also uncomfortable ...... Www.2cto.com we can easily disable this "embarrassing" function. Go to the "hardware and sound> power options" window from the control panel, select the current power plan, and click the "Change Plan Settings" button on the center, after entering the "Edit plan settings" window, select "change advanced power settings" and expand "Hard Disk". The default setting is to disable the hard disk 20 minutes later. We can reset it, or simply set it to "never". After confirmation, it will take effect. Of course, if you are using Vista, you can perform the same operation. This article is from the driver's home.